The A.H. Systems AK-18G Antenna Kit, 20Hz - 18GHz. Each kit provides all the reliable antennas, current probes, and accessories needed to satisfy a wide array of customer requirements. Each component has a specific storage compartment in the carrying case therefore, loss and breakage are virtually eliminated. Cables, a tripod with azimuth and elevation head, and a tripod carrying case accompany each antenna kit. Everything you need for any of your compliance testing.